Wrench



FIG. 1 is a front, right, top perspective view of a wrench showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right elevational view thereof (the left side being a mirror image thereof);

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a wrench, as shown and described. 